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ActiveCondo

$319,000

1 Baldwin Ave Apt 816, San Mateo 94401

Beds1
Baths2
Sqft1,100
DOM75
No Photos Available

AddressIntel AI Briefing

An exceptional value-add condo investment opportunity, priced 57.1% below market averages with comps highlighting a swift exit strategy. High owner-occupancy and excellent neighborhood fundamentals make this a low-risk, high-yield asset.

Property Permit History

No permit history found directly associated with this property's address.

Recent Neighborhood Remodeling (San Mateo)

2026-10-21 • 632 W 39TH AVE SAN MATEO 94403-4149 CA
Single Family (Alteration/Repair) - Alter - Alter
$293,922Issued
2026-10-21 • 1618 DOLAN AVE SAN MATEO 94401-2125 CA
Single Family (New) - New - New
$164,400Issued
2026-10-21 • 847 N HUMBOLDT ST Unit: 401 SAN MATEO 94401-1485 CA
Single Family (Alteration/Repair) - Kitchen & Bath Remodel (Flat) - Kitchen & Bath Remodel (Flat)
$42,000Issued
2026-10-20 • 416 FAIRFAX AVE SAN MATEO 94402-2210 CA
Single Family (Alteration/Repair) - Alter - Alter
$7,500Issued
2026-10-20 • 308 42ND AVE SAN MATEO CA 94403-5004
Single Family (Addition) - Add/Alter - Add/Alter
$234,243Issued
2026-10-19 • 1464 WOODBERRY AVE SAN MATEO 94403-3765 CA
Single Family (Alteration/Repair) - Kitchen & Bath Remodel (Flat) - Kitchen & Bath Remodel (Flat)
$30,000Issued

Parcel & Zoning Info

APN109650150
Official Lot Sqft1,141
Zoning CodeNO DATA ASSIGNED
SB 9 StatusN/A

Condo Investment Snapshot

Value Score100/100
Price / Sqft$290 vs $726 mkt
Price vs Market-60.1% Below market
Est. Rent$1,108/mo

Price positioning vs. 202 recent comparable condo/townhome sales in this ZIP. Est. rent is a rule-of-thumb (price ÷ 24 ÷ 12), not a market quote. SB 9 / ADU development analysis doesn't apply to condos: the owner doesn't control the underlying land.

Seller Motivation

Motivation Score20/100
Low motivation
60+ days on market

Inferred from days on market and listing-description language (e.g. "as-is", "estate sale", "motivated seller"). A screening heuristic for likely negotiability, not a statement about the seller's circumstances.

Hazard Snapshot

Flood Zone

X
Area of minimal flood hazard.

Fire Severity

None
Not in a mapped state fire severity zone.

Liquefaction

Yes
In a mapped liquefaction zone. May require specialized foundation engineering.

Fault Zone

No
Not in a mapped Alquist-Priolo fault zone.

Not a substitute for a Natural Hazard Disclosure (NHD) report. Zones reflect available GIS data and may not cover all localities. Liquefaction and fault flags: modified from California Geological Survey, Web Service of Official Maps of Alquist-Priolo Earthquake Fault Zones and Web Service of Official Maps of Seismic Hazard Zones (2025).

Nearby Public Schools

Elementary School

South Hillsborough

Hillsborough City Elementary

0.6 miles away
Middle School

Borel Middle

San Mateo-Foster City

1.2 miles away
High School

San Mateo High

San Mateo Union High

0.8 miles away

School boundaries are subject to change. Nearest school distance does not guarantee enrollment eligibility. Check with the local district. Data provided by CDE.

Proprietary Intelligence

Market Heat Index

68/100

Based on recent sales velocity and local demand in 94401.

Flippability Score

82/100

Measures neighborhood renovation density vs. recent permits on this property.

Bidding War Prob.

47%

Likelihood of multiple offers based on local list-to-sale ratios and DOM.

Proforma ROI Calculator

Back-of-the-napkin deal analysis across development strategies.

Median of 12 recent condo sales in San Mateo (94401): $762/sqft, plus 5% because new houses sold at a median 1.07x their comps across 239 real rebuilds. Sized within 25% of the 1,700 sqft build, because smaller houses sell for more per foot and pricing a rebuild off them overstates resale.

Commission, transfer tax and closing. Deducted from resale before profit, so the ROI below is net of the exit rather than gross.

Interest on the purchase price for the whole project plus half the build budget, since construction draws ramp up. The default is 7% over 33 months, the median purchase-to-sale time of 239 real Peninsula and South Bay rebuilds. Set the rate to 0 for a cash purchase, or use your own lender's terms.

Hard Costs$935,000
New Build1,700 sqft
Total Capital Required$1,429,000
Estimated Resale (ARV)$1,360,000
Cost of Sale (5%)-$68,000
Carry (33mo @ 7%)-$168,245
Net Proceeds$1,123,755

Projected Profit

-$305,245
-21.4% ROI

Warning: Project is mathematically underwater.

Recent Comparables (San Mateo 94401)

Sized to the modelled 1,700 sqft build: sales within 25% of it. Smaller houses sell for more per foot, so pricing a rebuild off them overstates resale.

35 9th Ave Apt 5

Sold
$1,320,000
Sold: 2026-09-16
Lot: -
Sqft: 1680
$/Sqft: $786

1 Baldwin Ave Apt 623

Sold
$600,000
Sold: 2026-09-01
Lot: 86,325
Sqft: 1400
$/Sqft: $429

800 N El Camino Real Unit 102

Sold
$915,888
Sold: 2026-08-24
Lot: 1,433
Sqft: 1379
$/Sqft: $664

222 8th Ave Apt 304

Sold
$1,290,000
Sold: 2026-07-23
Lot: -
Sqft: 1373
$/Sqft: $940

225 9th Ave Apt 105

Sold
$1,230,000
Sold: 2026-07-15
Lot: -
Sqft: 1287
$/Sqft: $956

111 Saint Matthews Ave Apt 304

Sold
$975,000
Sold: 2026-07-09
Lot: 37,687
Sqft: 1348
$/Sqft: $723

11 Hayward Ave Unit 3002

Sold
$1,400,000
Sold: 2026-07-03
Lot: -
Sqft: 1530
$/Sqft: $915

35 9th Ave Apt 11

Sold
$1,350,000
Sold: 2026-07-02
Lot: -
Sqft: 1802
$/Sqft: $749

11 Hayward Ave Unit 1009

Sold
$925,000
Sold: 2026-06-16
Lot: -
Sqft: 1530
$/Sqft: $605

10 9th Ave Apt 103

Sold
$975,000
Sold: 2026-05-27
Lot: 30,625
Sqft: 1644
$/Sqft: $593

10 9th Ave Apt 107

Sold
$1,200,000
Sold: 2026-05-22
Lot: -
Sqft: 1549
$/Sqft: $775

58 E Poplar Ave Apt 3

Sold
$1,060,000
Sold: 2026-05-14
Lot: -
Sqft: 1367
$/Sqft: $775